1 #![no_std] // <1>
2 #![no_main] // <1>
3 #![feature(core_intrinsics)] // <2>
4 #![feature(alloc_error_handler)]
5 #![feature(panic_info_message)]
6 
7 #[allow(non_upper_case_globals)]
8 #[allow(non_camel_case_types)]
9 #[allow(non_snake_case)]
10 
11 
12 use core::panic::PanicInfo;
13 #[panic_handler]
panic(_info: &PanicInfo) -> !14 fn panic(_info: &PanicInfo) -> ! {
15     loop {}
16 }
17 
18 #[no_mangle]
scanf()19 pub extern "C" fn scanf() {
20 
21 }
22